Merge pull request #2 from efullea/gh-pages

Editorial updates and updated figures
updated default telephony service description with emergency call use case
added directory with the API specification split into multiple documents, including a core spec, multiparty supports, telephony services, and use cases
Merge branch 'gh-pages' of github.com:sysapps/telephony into gh-pages
removed split version
removed TelephonyAudioControls, see issue#5 (https://github.com/sysapps/telephony/issues/5 )
fixed typo, see issue#6 (https://github.com/sysapps/telephony/issues/6 )
fixed typo in sendTones, see issue#8 (https://github.com/sysapps/telephony/issues/8 )
renamed CallHandler::isConference to conference, see issue#10 (https://github.com/sysapps/telephony/issues/10 )
split the TelephonyEvent interface, see issue#9 (https://github.com/sysapps/telephony/issues/9 )
added patent policy info
fixed typo